Putter head



FIG. 1 is a rear elevational view of the putter head as claimed herein;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof; and,

FIG. 4 is a bottom plan view thereof.

The broken lines are included for the purpose of illustration and form no part of the claimed design. 

CLAIM The ornamental design for a putter head, as shown and described. 